Cheap flights from Australia to Northern Ireland from £674

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BFS
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Northern Ireland
Explore the most affordable flight options available from Australia to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 December 2025.

Tue 30/1222:00SYD - BHD
2 stops47h 15mMultiple Airlines
Tue 20/111:25BHD - SYD
2 stops35h 00mMultiple Airlines
Deal found 15/12£1,640

Find flight deals from Australia to Northern Ireland

Keep the following information in mind while searching for Australia to Northern Ireland flight deals. Data was last updated 16 December 2025.

Round-trip from

£674

Popular in

July

Cheapest in

October

Average price

£1,313
3/3-11/3
  • 3/3-11/3
  • 4 total stops
  • 75h 40m total
  • Australia to Northern Ireland
Highest demand for flights based on searches. 18% potential increase in price (£195 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£45 potential savings vs. average return price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 December 2025.
Use the filters below to find and compare flights from Australia to Northern Ireland that are best for you.

Fly from

Australia

Fly to

Northern Ireland

Route

Depart

Return

Price

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Tue 3/3

21:30-20:10

2 stops33h 40m

Belfast Intl

Wed 11/3

08:35-13:35

2 stops42h 00m

£674

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Tue 3/3

21:30-20:30

2 stops34h 00m

Belfast City

Wed 11/3

10:15-13:35

2 stops40h 20m

£681

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Thu 29/1

21:00-22:20

2 stops35h 20m

Belfast Intl

Thu 5/2

06:30-09:00

2 stops40h 30m

£858

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sun 1/3

21:30-20:10

2 stops33h 40m

Belfast Intl

Tue 10/3

08:35-10:00

2 stops38h 25m

£873

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 1/3

21:30-20:30

2 stops34h 00m

Belfast City

Tue 10/3

09:25-10:00

2 stops37h 35m

£882

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sun 1/2

21:15-20:10

3 stops33h 55m

Belfast Intl

Wed 11/2

06:30-19:20

3 stops49h 50m

£884

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 1/2

21:15-20:30

3 stops34h 15m

Belfast City

Wed 11/2

07:25-19:20

3 stops48h 55m

£908

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Wed 28/1

11:10-16:15

3 stops39h 05m

Belfast Intl

Wed 4/2

06:30-09:00

3 stops40h 30m

£970

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 5/3

11:15-10:20

2 stops34h 05m

Belfast City

Sun 8/3

06:30-06:55

2 stops37h 25m

£991

MelbourneBelfast

MEL - BHD

MELBHD

Melbourne

Thu 5/3

16:55-10:20

2 stops28h 25m

Belfast City

Sun 8/3

15:10-09:25

2 stops31h 15m

£1,042

Flights are sorted by cheapest return flights first.

Deals found on 15/12

Showing 1-10 of 20 results
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Best time to book a flight from Australia to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Australia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Northern Ireland

What is the cheapest month to book a flight from Australia to Northern Ireland?

Currently, January is the cheapest month in which you can book a flight from Australia to Northern Ireland (average of £807). Flying from Australia to Northern Ireland in December is currently the most expensive (average of £1,265). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AU to NIR?

Find hourly flight availability from Australia to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 December 2025.

When flying from Australia to Northern Ireland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 22% versus a flight in the evening.

Related info for your journey

Find useful and relevant information for your journey from Australia to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Australia to Northern Ireland?

    Departing from Australia to Northern Ireland will take you 34h 05m. There are 10622 mi between Australia and Northern Ireland. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Australia to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Australia to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Northern Ireland.

  • Can I find deals for business class flights from Australia to Northern Ireland?

    Yes. Cheapflights offers flight deals from Australia to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from Australia to Northern Ireland (average of £807). Flying from Australia to Northern Ireland in December is currently the most expensive (average of £1,265). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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